[F] resolveOperationId
function resolveOperationId(program, operation): stringResolve the OpenAPI operation ID for the given operation using the following logic:
- If 
@operationIdwas specified use that value - If operation is defined at the root or under the service namespace return 
<operation.name> - Otherwise(operation is under another namespace or interface) return 
<namespace/interface.name>_<operation.name> 
Parameters
| Parameter | Type | Description | 
|---|---|---|
program | Program | TypeSpec Program | 
operation | Operation | Operation | 
Returns
string
Operation ID in this format <name> or <group>_<name>